Groundwater studies can be tainted by 'survivor bias'
Bad wells tend to get excluded from studies on groundwater levels, a problem that could skew results everywhere monitoring is used to decide government policies and spending.
Bad wells tend to get excluded from studies on groundwater levels, a problem that could skew results everywhere monitoring is used to decide government policies and spending.
Environment
Sep 5, 2019
2
126
A new analysis of the 2011 census has revealed that social differences among city populations significantly influence how neighbourhoods take shape. Researchers hope that their insights could help councils to make better ...
Mathematics
Jan 9, 2019
0
47
Forget what you've heard about 22-year-old wunderkinds, sitting in the corner offices of their wildly popular Silicon Valley startups—if you want to find the most successful entrepreneurs, you have to go back a few decades.
Economics & Business
Apr 23, 2018
0
221
Research led by the University of Southampton is helping governments in low-income countries strengthen their capacity to build and use population maps, to plan for the future and respond to emergencies.
Economics & Business
Mar 21, 2018
0
16
For years, policymakers have relied upon surveys and census data to track and respond to extreme poverty.
Social Sciences
Dec 7, 2017
0
95
Older adults rely on family for companionship and help with all sorts of tasks as they confront the frailties of old age. But what about older adults who have no living family members? One Penn State researcher is exploring ...
Social Sciences
Oct 13, 2017
1
23
(AP)—Wild giant pandas in China are doing well. According to a census by China's State Forestry Administration, the panda population has grown by 268 to a total of 1,864 since the last survey ending in 2003.
Plants & Animals
Feb 28, 2015
1
1235
Scientists are digging deep into the Earth's surface collecting census data on the microbial denizens of the hardened rocks. What they're finding is that, even miles deep and halfway across the globe, many of these communities ...
Earth Sciences
Dec 9, 2013
0
0
Despite the popular image of the rich older man or woman supporting an attractive younger spouse, a new study shows those married to younger or older mates have on average lower earnings, lower cognitive abilities, are less ...
Social Sciences
May 6, 2013
5
0
Researchers from MIT and UC Berkeley tracked traffic in Boston and San Francisco with cell tower and GPS data and analyzed bottlenecks. Their computer analysis suggested a possible strategy for relieving traffic tie-ups: ...
Engineering
Dec 20, 2012
2
0